// Copyright (C) 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 14.5
description: >
    class sublclassing builtins
---*/
function Test() {
    class ExtendedUint8Array extends Uint8Array {
      constructor() {
        super(10);
        this[0] = 255;
        this[1] = 0xFFA;
      }
    }

    var eua = new ExtendedUint8Array();
    assert.sameValue(eua.length, 10, "The value of `eua.length` is `10`");
    assert.sameValue(eua.byteLength, 10, "The value of `eua.byteLength` is `10`");
    assert.sameValue(eua[0], 0xFF, "The value of `eua[0]` is `0xFF`");
    assert.sameValue(eua[1], 0xFA, "The value of `eua[1]` is `0xFA`");
    assert.sameValue(
      Object.getPrototypeOf(eua),
      ExtendedUint8Array.prototype,
      "`Object.getPrototypeOf(eua)` returns `ExtendedUint8Array.prototype`"
    );
    assert.sameValue(
      Object.prototype.toString.call(eua),
      "[object Uint8Array]",
      "`Object.prototype.toString.call(eua)` returns `\"[object Uint8Array]\"`"
    );
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
